Add things to Controller Node doc that weren't obvious to me

11 jobs for dm-controller-node-docs in 19 minutes and 45 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build Base
passed #388285346
meltano_base

00:05:06

 
  Build Meltano
passed #388285348
meltano_dev

00:08:14

 
  Test
passed #388285350
install_e2e

00:05:53

passed #388285349
lint

00:03:10

passed #388285354
pytest_postgres

00:06:25

manual #388285355
concurrent allowed to fail manual
pytest_postgres_concurrent
passed #388285356
pytest_sqlite

00:04:30

manual #388285358
concurrent allowed to fail manual
pytest_sqlite_concurrent
passed #388285361
sast

00:02:48

passed #388285360
test_meltano_ui

00:02:11

 
  External
passed netlify/meltano/deploy-preview